CVE-2026-124579
aaPanel BillionMail Relay Configuration API relay.go injection
A vulnerability was determined in aaPanel BillionMail up to 4.9. Affected by this issue is some unknown functionality of the file core/api/relay/v1/relay.go of the component Relay Configuration API. Executing a manipulation of the argument helo_name can lead to injection. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
| Product | Versions | Authority |
|---|---|---|
| BillionMail aaPanel |
4.0 (affected) 4.1 (affected) 4.2 (affected) 4.3 (affected) 4.4 (affected) 4.5 (affected) 4.6 (affected) 4.7 (affected) 4.8 (affected) 4.9 (affected) |
CNA: VulDB |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 4.0 / 5.3 medium |
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P | CNA: VulDB |
| 3.1 / 7.4 high |
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L/E:P/RL:X/RC:C | CNA: VulDB |
| 3.0 / 7.4 high |
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L/E:P/RL:X/RC:C | CNA: VulDB |
| 2.0 / 6.5 medium |
AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:C | CNA: VulDB |
Exploit evidence
- https://gist.github.com/stoic-crawler/07c4b68b76b870659ade38d0035fced8
exploit · CNA: VulDB
References
- https://vuldb.com/vuln/432929CNA: VulDB · vdb-entry, technical-description
- https://vuldb.com/vuln/432929/ctiCNA: VulDB · signature, permissions-required
- https://vuldb.com/cve/CVE-2026-124579CNA: VulDB · third-party-advisory
- https://vuldb.com/submit/1038400CNA: VulDB · third-party-advisory
- https://gist.github.com/stoic-crawler/07c4b68b76b870659ade38d0035fced8CNA: VulDB · exploit
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